WO2017208878A1 - アンテナ装置、及び電子機器 - Google Patents

アンテナ装置、及び電子機器 Download PDF

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Publication number
WO2017208878A1
WO2017208878A1 PCT/JP2017/018982 JP2017018982W WO2017208878A1 WO 2017208878 A1 WO2017208878 A1 WO 2017208878A1 JP 2017018982 W JP2017018982 W JP 2017018982W WO 2017208878 A1 WO2017208878 A1 WO 2017208878A1
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WO
WIPO (PCT)
Prior art keywords
opening
antenna
cover
antenna coil
magnetic sheet
Prior art date
Application number
PCT/JP2017/018982
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
折原　勝久
Original Assignee
デクセリアルズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by デクセリアルズ株式会社 filed Critical デクセリアルズ株式会社
Priority to US16/302,056 priority Critical patent/US10581142B2/en
Priority to CN201780030201.8A priority patent/CN109155463B/zh
Publication of WO2017208878A1 publication Critical patent/WO2017208878A1/ja

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Definitions

  • the present invention relates to an antenna device that is mounted on an electronic device such as a notebook computer and communicates with an external device such as a transmitter via an electromagnetic field signal, and an electronic device in which the antenna device is incorporated.
  • the metal member is disposed so as to cover a part of the antenna coil, and the metal member has an opening that does not connect to the outer periphery.
  • the antenna device is characterized in that the first portion is not exposed from the opening of the metal member, and at least a part of the second portion of the antenna coil and the coil opening is exposed from the opening of the metal member.
  • Patent Document 2 discloses an antenna device that is incorporated in an electronic device and communicates with an external device via an electromagnetic field signal, and is provided at an end of an opening provided in a cover having a magnetic shield function of the electronic device.
  • An antenna device is described that includes an antenna coil positioned and disposed on an inner wall surface of a cover.
  • the space allocated for mounting the antenna device as described above is becoming smaller in the electronic device casing. Therefore, in order to mount the RFID antenna device in a narrowed space while ensuring sufficient communication performance, there is an increasing demand for a thinner antenna device.
  • Patent Documents 1 and 2 since a part of the antenna coil is overlapped with the metal plate around the opening, the thickness is increased by the overlap. Therefore, there is no description about the thinning of the antenna device regarding this point.
  • the present invention has been proposed in view of such circumstances, and it is an object of the present invention to provide a new and improved antenna device and electronic apparatus that can be thinned while ensuring sufficient communication performance.
  • One embodiment of the present invention is an antenna device which is incorporated in an electronic device and communicates with an external device via an electromagnetic field signal, and is wound so that the conductive wires facing in the width direction are close to each other through the opening.
  • the antenna is divided into two parts, one side where the conducting wire circulates in one direction and the other side where the conducting wire circulates in the other direction via a center line that cuts through the opening in the longitudinal direction, and is inductively coupled to an external device
  • an antenna coil is disposed in an opening provided in a cover of an electronic device so that the antenna coil and the cover do not overlap with each other, so that the antenna device can be thinned and the antenna
  • the magnetic field of the antenna device can be spread sufficiently in space to ensure communication performance.
  • the antenna coil may be arranged such that one side portion is close to the end of the opening of the cover.
  • the opening of the cover on the other side can be made the widest, so that good communication performance can be ensured.
  • a magnetic sheet that draws a magnetic field transmitted from an external device is inserted into the opening of the antenna coil, and the magnetic sheet is disposed on the external device side of the antenna coil on one side of the antenna coil.
  • the antenna coil may be disposed closer to the external device than the magnetic sheet on the other side of the antenna coil, and the antenna coil and the magnetic sheet may be superimposed on each other.
  • the magnetic sheet collects the magnetic flux from the external device and guides it to the center of the antenna coil, so that the communication characteristics of the antenna device can be improved.
  • the magnetic sheet may be disposed also in the opening of the cover on the other side.
  • the magnetic flux can be further collected, and the communication characteristics of the antenna device are further enhanced.
  • a sheet-like conductor that overlaps or contacts the cover and that overlaps at least a portion of the surface opposite to the surface facing the external device of the antenna coil is provided. Good.
  • another aspect of the present invention is an electronic device in which the antenna device described in any of the above is incorporated and can communicate with an external device via an electromagnetic field signal.
  • the antenna device described above by providing the antenna device described above, it is possible to provide an electronic device that can be thinned while ensuring sufficient communication performance.
  • the antenna coil is disposed in the opening provided in the cover of the electronic device, and a sufficient communication performance is ensured by having an opening of a sufficient area on one side.
  • An antenna device and an electronic device that can be thinned can be provided.
  • FIG. 1 is a perspective view showing an external appearance of a personal computer equipped with an antenna device according to an embodiment of the present invention.
  • FIG. 2 is a plan view showing a schematic configuration of the antenna device according to the embodiment of the present invention.
  • 3A is a perspective view of an antenna device according to an embodiment of the present invention, and FIG. 3B is a cross-sectional view taken along the line AA in FIG. 3A.
  • 4A is a perspective view of an antenna device according to an embodiment of the present invention, and FIG. 4B is a cross-sectional view taken along line BB of FIG. 4A.
  • 5A is a perspective view of an antenna device according to an embodiment of the present invention, and FIG. 5B is a cross-sectional view taken along the line CC of FIG. 5A.
  • FIG. 6A and 6B are explanatory diagrams of a study evaluation method for confirming the operation and effect of the antenna device according to the embodiment of the present invention
  • FIG. 6A is a perspective view
  • FIG. 6B is a plan view.
  • FIG. 7 is a perspective view for explaining an examination evaluation method for confirming the operation and effect of the antenna device according to the comparative example.
  • FIG. 8 is a perspective view for explaining the examination and evaluation method for confirming the operation and effect of the antenna device according to the reference example.
  • FIG. 9 is a graph showing communication performance evaluation results for confirming the operation and effect of the antenna apparatuses according to Examples 1 to 3, Comparative Example, and Reference Example.
  • FIG. 1 is a perspective view showing an external appearance of a personal computer equipped with an antenna device 100 according to an embodiment of the present invention.
  • the antenna device 100 is mainly applied to a laptop personal computer as the electronic device 1.
  • the electronic device 1 personal computer
  • the electronic device 1 has a main body 2 and a display 3, and the main body 2 and the display 3 are coupled via a hinge or the like.
  • the display 3 reversibly stands with respect to the main body 2 (open state) by being rotated about the hinge as a fulcrum from the state of being superimposed on the main body 2 that is normally placed flat (closed state).
  • the display 3 has a display housing 4 made of resin, for example.
  • the display housing 4 has a flat box shape and has a size substantially equal to, for example, A4 paper.
  • the display housing 4 has a surface (inner surface) that faces the main body 2 when the display housing 4 is in a closed state, and an opening over substantially the entire area is formed on the inner surface of the display housing 4. For example, a liquid crystal panel 5 is exposed in the opening 4 a of the display housing 4.
  • the main body 2 has a flat box-shaped main housing 6. On the upper surface of the main housing 6 facing the display 3 in the closed state, an opening 6a is provided on the back side when viewed from the liquid crystal panel 5, that is, on the hinge side, and the keyboard 7 is disposed in the opening 6a. Has been.
  • the size of the upper surface of the main housing 6 is substantially the same as the inner surface of the display housing 4.
  • an opening 6 b is formed on the upper surface of the main housing 6 at the center before the keyboard 7.
  • the face sheet 12 of the touch pad 10 is exposed in the opening 6b.
  • an opening 6c is formed on the upper surface of the main housing 6 in front of the opening 6b, and two operation buttons 14a and 14b are arranged in the width direction of the main housing 6 in the opening 6c. ing.
  • An antenna device 100 includes, for example, an opening 6a and an opening 6b in which a keyboard 7 and a touch pad 10 are arranged in a laptop personal computer (electronic device 1) as described above.
  • an opening 104 is provided on the main housing 6 (cover 101 having a magnetic shield function), and an antenna coil 102 is provided in the opening 104.
  • the cover 101 here is made of, for example, metal and has a magnetic shield function.
  • the electronic device 1 in which the antenna device 100 is incorporated is covered with a member that does not have a magnetic shield function, for example, so that the antenna device 100 having the opening 104 is not exposed to the outside.
  • the electronic device 1 in which the antenna device 100 according to an embodiment of the present invention is incorporated is not limited to a laptop personal computer, and may be any device as long as there is a space in which the antenna device 100 can be placed.
  • the present invention can be applied to other electronic devices such as a television and a refrigerator.
  • the antenna device 100 according to the embodiment of the present invention may be provided with the opening 104 for placement on the cover 101.
  • the opening already opened in the structure of the electric device 1 is used. May be.
  • FIG. 2 is a plan view of the antenna device 100 according to an embodiment of the present invention.
  • An antenna device 100 is an antenna device 100 that is incorporated in an electronic device 1 and communicates with an external device via an electromagnetic field signal, and is opposed to the width direction via an opening 102b.
  • the conducting wire 102a is wound so as to be close to each other, and the other side in which the conducting wire 102a circulates in one direction and the other side in which the conducting wire circulates in the other direction through a center line L that cuts through the opening 102b in the longitudinal direction.
  • An antenna coil 102 that is divided into two sides 103b and is inductively coupled to an external device, and a cover 101 of the electronic device 1 having an opening 104 are provided.
  • the cover 101 has a magnetic shield function, and the antenna coil 102 does not overlap with the cover 101 in the opening 104 provided in the cover 101, and the opening of the cover 101 on the one side 103a side. It arrange
  • the antenna coil 102 and the cover 101 do not overlap with each other, so that the antenna device 100 can be thinned.
  • the wide opening 104b on the other side 103b side of the antenna coil 102 allows the magnetic field of the antenna device 100 to spread sufficiently in space to ensure good communication performance.
  • the antenna device 100 is provided by being wound so that the conductors 102a facing in the width direction are close to each other through the opening 102b, and is inductively coupled to an external device 119 (see FIG. 3B).
  • the antenna coil 102 is provided.
  • the antenna coil 102 is formed, for example, by patterning a flexible conductive wire 102a on one surface of an antenna substrate constituted by a flexible flexible substrate or the like.
  • the antenna coil 102 is preferably provided by winding the conductive wire 102a in a substantially strip shape elongated in the longitudinal direction so that the antenna coil 102 is effectively mounted in a limited narrow space.
  • the antenna coil 102 has an area Sb of the opening 104b of the cover 101 on the other side 103b side rather than an area Sa of the opening 104a of the cover on the one side 103a side.
  • the antenna coil 102 is preferably arranged so that the one side portion 103 a is close to or in contact with the end portion 101 a of the opening 104 of the cover 101.
  • the close arrangement means that the distance from one end 101a of the opening of the cover 101 to the outer edge of the one side 103a of the antenna coil 102 is 1/10 or less of the length of the short side of the antenna coil 102 (for example, When the coil outer shape is 50 mm ⁇ 12.5 mm, the coil is arranged so as to be 1.25 mm or less.
  • the area Sa of the opening 104a of the cover 101 on the one side 103a side is the opening 104a occupying from one end 101a of the opening of the cover 101 to the outer edge of the one side 103a of the antenna coil 102.
  • the area Sa is the area Sb of the opening 104b of the cover 101 on the side of the other side 103b.
  • the area Sb of 104b is said.
  • the position of the external device for communication is shifted to the side where the cover 101 is located from the position where the antenna coil 102 is arranged. (That is, it shifts to the cover 101 on the left side of the antenna coil 102 in FIG. 2.) Therefore, when the opening 104 is provided on the cover 101 of the electronic device, a large area of the cover on the side where the antenna coil 102 is arranged remains. It is desirable to provide the opening 104 as described above.
  • the area of the opening 104 is not particularly limited, since the antenna coil 102 is disposed in the opening 104, the opening 104 that is at least larger than the area of the antenna coil 102 is necessary.
  • the area of the opening 104 is preferably as large as possible, but is determined in relation to the space of the cover 101 of the electronic device 1 in which the opening 104 can be provided.
  • one side of the opening 104 may be approximately the same as or longer than the long side of the antenna coil 102.
  • the antenna device 110 may be configured such that a magnetic sheet 115 that draws a magnetic field transmitted from the external device 119 is inserted into the opening 112b of the antenna coil 112.
  • 3A is a perspective view of an antenna device according to an embodiment of the present invention
  • FIG. 3B is a cross-sectional view taken along the line AA in FIG. 3A.
  • the magnetic sheet 115 is disposed closer to the external device 119 than the antenna coil 112 in the one side portion 113 a of the antenna coil 112, and the other side portion 113 b of the antenna coil 112.
  • the magnetic sheet 115 is inserted into the opening 112b of the antenna coil 112 so that the antenna coil 112 is disposed closer to the external device 119 than the magnetic sheet 115, and the antenna coil 112 and the magnetic sheet 115 are superimposed on each other.
  • the magnetic sheet 115 is formed of a magnetic material such as iron oxide, chromium oxide, cobalt, or ferrite, and in order to improve the communication characteristics of the antenna device 110, magnetic flux sent from the external device 119 during communication of the antenna device 110 is used as an antenna coil.
  • 112 has a function of guiding toward the center side.
  • the antenna device 110 is arranged such that the magnetic sheet 115 is positioned closer to the external device 119 than the antenna coil 112 on the one side 113a side, and the other side 113b.
  • the antenna coil 112 is disposed on the external device 119 side, so that the magnetic flux from the external device 119 is collected and guided to the center side of the antenna coil 112 to improve the communication characteristics of the antenna device 110. I am doing so. That is, the magnetic flux from the external device 119 passes along the magnetic sheet 115 through the opening 112b of the antenna coil 112 and passes through the opening 114b of the cover 111 on the other side 113b side of the antenna coil 112 to the external device 119. Since a loop can be formed, communication is possible. Further, in one embodiment of the present invention, as shown in FIG. 3B, the antenna coil 112 and the magnetic sheet 115 do not overlap with the cover 111, so that the antenna device 110 can be thinned.
  • FIG. 4A is a perspective view of an antenna device according to an embodiment of the present invention
  • FIG. 4B is a cross-sectional view taken along line BB of FIG. 4A regarding another embodiment of the antenna device 120 according to the present invention.
  • the magnetic sheet 126 may be disposed also in the opening 124b of the cover 121 on the other side 123b side. Thereby, since the magnetic flux can be further collected, the communication characteristics of the antenna device 120 are further enhanced.
  • the magnetic sheet 125 inserted into the antenna coil 122 and the magnetic sheet 126 disposed in the opening 124b of the cover 121 on the other side 123b side are different from each other.
  • One long magnetic sheet in which two magnetic sheets are combined may be inserted into the opening 122b of the antenna coil 122 and disposed.
  • FIG. 5A is a perspective view of an antenna device 130 according to an embodiment of the present invention
  • FIG. 5B is a cross-sectional view taken along the line CC of FIG. 5A.
  • a sheet-like conductor (conductive sheet) 137 may be provided. Examples of the conductive sheet 137 include copper and aluminum foil. In this manner, by providing the conductive sheet 137, the communication characteristics of the antenna device 130 can be improved by utilizing the magnetic field shielding effect of the conductive sheet 137.
  • the opening 134 of the cover 131 may not be rectangular.
  • the end of the opening 134 can be made linear by disposing the (rectangular) conductive sheet 137 at the end. Because it can.
  • the antenna coil is disposed in the opening provided in the cover of the electronic device, and the other side portion of the antenna coil.
  • FIG. 6A and 6B are explanatory diagrams of an evaluation method for confirming the operation and effect of the antenna device 140 according to the embodiment of the present invention
  • FIG. 6A is a perspective view
  • FIG. 6B is a plan view. It is.
  • the communication characteristics the coupling coefficient with the communication device 148 (Listener-1 defined by NFC Forum) was evaluated at a distance of 40 mm, and the communication device (Listener-1) was moved in the X-axis direction to evaluate the distribution of communication characteristics.
  • Example 1 In Example 1, an antenna coil 142 having a coil outer shape of 50 mm ⁇ 12.5 mm and 4 turns was used, and ferrite (magnetic sheet 145) having a thickness of 0.2 mm was inserted into the opening 142b of the antenna coil 142.
  • the antenna coil 142 in which the magnetic sheet 145 is inserted is formed into an SUS plate 141 having an outer shape of 100 mm ⁇ 100 mm and an opening 144 of 50 mm ⁇ 50 mm in the center, and an opening 144 in which the long side of the antenna coil 142 is provided in the SUS plate 141.
  • the antenna device 140 is arranged along one side 141a. As shown in FIG.
  • the antenna device 140 according to the first embodiment and the communication device 148 are arranged at a distance of 40 mm, and the communication device is moved in the X-axis direction (that is, in the direction of the arrow AR in FIG. 6B).
  • the communication characteristics (coupling coefficient k) when the relative positional relationship was changed were evaluated.
  • Example 2 In Example 2, in the antenna device according to Example 1, 50 mm ⁇ 10 mm aluminum foil is provided on the surface opposite to the surface facing the communication device of the antenna coil so as to be in contact with the SUS plate and the antenna coil. Evaluated the communication characteristics (coupling coefficient k) when the relative positional relationship was changed by moving the communication device in the X-axis direction in the same manner as in the antenna device similar to Example 1.
  • Example 3 in the antenna device according to the second embodiment, similarly to the antenna device similar to the second embodiment, except that the ferrite (magnetic sheet) is disposed in the opening other than the antenna coil of the SUS plate, the communication device is similarly used.
  • the communication device was evaluated in terms of communication characteristics (coupling coefficient k) when the relative positional relationship was changed by moving in the X axis direction.
  • FIG. 7 is a perspective view for explaining an examination evaluation method for confirming the operation and effect of the antenna device according to the comparative example.
  • a square antenna coil 152 having a coil outer shape of 25 mm ⁇ 25 mm and 4 turns was used, and a 0.2 mm-thick ferrite (magnetic sheet 155) was attached to the back surface of the antenna coil 152.
  • An antenna coil 152 having a magnetic sheet 155 attached to the back surface is formed on a SUS plate 151 having an outer shape of 100 mm ⁇ 100 mm and an opening 154 of 50 mm ⁇ 50 mm in the center, and the center of the antenna coil 152 and the opening 154 of the SUS plate 151.
  • the antenna device 150 is arranged so that the centers of the antennas coincide with each other. As shown in FIG. 7, communication when the antenna device 150 according to the comparative example and the communication device 158 are arranged at a distance of 40 mm and the relative positional relationship is changed by moving the communication device 158 in the X-axis direction. The characteristics (coupling coefficient k) were evaluated.
  • FIG. 8 is a perspective view for explaining an examination evaluation method for confirming the operation / effect of the antenna device 160 according to the reference example.
  • a square antenna coil 162 having a coil outer shape of 25 mm ⁇ 25 mm and having four turns is used, and only 0.2 mm thick ferrite (magnetic sheet 165) is attached to the back surface of the antenna coil 162.
  • the antenna device 160 is a device in which a SUS plate is not disposed around.
  • the characteristics (coupling coefficient k) were evaluated.
  • FIG. 9 is a graph showing communication performance evaluation results for confirming the operation and effect of the antenna devices according to Examples 1 to 3, Comparative Example, and Reference Example.
  • the reference example as a benchmark, when a square NFC antenna is mounted in the opening of a metal plate as in the comparative example, even if the size of the opening is four times the area of the antenna, the reference example ( A performance recovery of about 60% of the benchmark) was expected.
  • Example 1 in which a long antenna coil was arranged at the end of the opening of the metal plate, the communication characteristics were better than in Comparative Example 1. Further, Example 2 in which an aluminum foil was provided on the antenna coil showed better communication characteristics than the reference example (benchmark). In addition, Example 3 in which an aluminum foil was added and a magnetic sheet was also arranged in the opening of the SUS plate showed the best communication characteristics.
  • the antenna device has a wide opening on the other side of the antenna coil so that the magnetic field of the antenna device can be sufficiently spread in space to ensure good communication performance. it can.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of Aerials (AREA)
PCT/JP2017/018982 2016-05-30 2017-05-22 アンテナ装置、及び電子機器 WO2017208878A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/302,056 US10581142B2 (en) 2016-05-30 2017-05-22 Antenna device and electronic apparatus
CN201780030201.8A CN109155463B (zh) 2016-05-30 2017-05-22 天线装置及电子设备

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Application Number Priority Date Filing Date Title
JP2016107528A JP6727703B2 (ja) 2016-05-30 2016-05-30 アンテナ装置、及び電子機器
JP2016-107528 2016-05-30

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WO2017208878A1 true WO2017208878A1 (ja) 2017-12-07

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JP (1) JP6727703B2 (zh)
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Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2015095707A (ja) * 2013-11-11 2015-05-18 デクセリアルズ株式会社 アンテナ装置及び電子機器
JP2016058825A (ja) * 2014-09-08 2016-04-21 パナソニックＩｐマネジメント株式会社 電子機器

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WO2002007078A1 (fr) * 2000-07-19 2002-01-24 Hanex Co., Ltd. Structure de logement et d'installation d'etiquette d'identification et procede de communication d'une telle etiquette
JP5472153B2 (ja) * 2010-12-24 2014-04-16 株式会社村田製作所 アンテナ装置、アンテナ付きバッテリーパックおよび通信端末装置
JP5293907B2 (ja) * 2011-06-13 2013-09-18 株式会社村田製作所 アンテナ装置および通信端末装置
CN105356064A (zh) 2011-11-09 2016-02-24 株式会社村田制作所 天线装置以及电子设备
CN104584323B (zh) * 2012-08-23 2019-06-21 迪睿合电子材料有限公司 天线装置及电子设备
US20140080411A1 (en) * 2012-09-14 2014-03-20 Anand S. Konanur Integration of a near field communication coil antenna behind a screen display for near field coupling
KR20160063191A (ko) * 2014-11-26 2016-06-03 삼성전기주식회사 안테나 장치 및 이를 포함하는 근거리 통신용 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015095707A (ja) * 2013-11-11 2015-05-18 デクセリアルズ株式会社 アンテナ装置及び電子機器
JP2016058825A (ja) * 2014-09-08 2016-04-21 パナソニックＩｐマネジメント株式会社 電子機器

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CN109155463A (zh) 2019-01-04
JP2017216511A (ja) 2017-12-07
JP6727703B2 (ja) 2020-07-22
CN109155463B (zh) 2021-05-18
US10581142B2 (en) 2020-03-03
US20190190125A1 (en) 2019-06-20

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